body.site{--bg:#f5f7fb;--surface:#ffffff;--surface-soft:#eef3fb;--text:#13213a;--muted:#5d6b84;--line:#d6deec;--accent:#2457d6;--accent-strong:#173a92;--shadow:0 14px 36px rgba(18,32,57,0.12);--radius:18px;--font-serif:var(--font-serif);margin:0;background:linear-gradient(180deg,#f8fbff,#eef4fb);color:var(--text);font-family:var(--font-serif),Georgia,serif}body.site *,body.site :after,body.site :before{box-sizing:border-box}body.site a{color:inherit;text-decoration:none}body.site img{max-width:100%;display:block}body.site .site-shell{width:min(100%,100vw);overflow-x:clip}body.site .chrome{width:min(100%,100vw)}body.site .topbar{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(245,247,251,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(214,222,236,.85)}body.site .topbar-inner{width:min(100%,100vw);padding:12px 16px 10px;display:flex;align-items:center;gap:10px}body.site .brand{min-width:0;flex:1 1 auto}body.site .brand a,body.site .brand h1{margin:0;font-size:16px;line-height:1.2;letter-spacing:.02em;color:var(--text);font-weight:700}body.site .brand small{display:block;margin-top:2px;color:var(--muted);font-size:12px;line-height:1.4}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(18,32,57,.08)}body.site .menu:before{content:"☰";font-size:18px;line-height:1}body.site.nav-open .menu:before{content:"×";font-size:22px}body.site .nav-wrap{display:none;border-top:1px solid var(--line);background:var(--surface)}body.site.nav-open .nav-wrap{display:block}body.site .nav-list{list-style:none;margin:0;padding:8px 12px 12px;display:grid;grid-gap:8px;gap:8px}body.site .nav-list>li{position:relative}body.site .nav-list a{display:block;padding:11px 12px;border-radius:14px;background:var(--surface-soft);border:1px solid transparent;color:var(--text);font-size:14px;line-height:1.35}body.site .nav-list a:focus-visible,body.site .nav-list a:hover{border-color:rgba(36,87,214,.22);background:#fff;outline:none}body.site .nav-list .has-children>a:after{content:"▾";float:right;color:var(--muted)}body.site .nav-list .subnav{list-style:none;margin:8px 0 0;padding:0 0 0 10px;display:none;gap:6px}body.site .nav-list li.tap>.subnav{display:grid}body.site .nav-list .subnav a{background:#fff}body.site .page{width:min(100%,100vw);padding:16px}body.site .hero{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .card,body.site .feature,body.site .hero-card,body.site .list-card,body.site .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:16px;display:grid;grid-gap:10px;gap:10px}body.site h1{margin:0;font-size:16px;line-height:1.25}body.site h2{margin:0;font-size:15px;line-height:1.35}body.site .card p,body.site .hero-copy p,body.site .list-card p,body.site .panel p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}body.site .hero-media{aspect-ratio:16/10;position:relative;background:linear-gradient(135deg,#dce6f7,#f7fbff)}body.site .grid{margin-top:16px}body.site .blocks-grid,body.site .grid{display:grid;grid-gap:14px;gap:14px}body.site .block-media{position:relative;aspect-ratio:16/9;border-radius:calc(var(--radius) - 2px);overflow:hidden}body.site .block-body{padding:14px;display:grid;grid-gap:8px;gap:8px}body.site .block-body h2{font-size:15px}body.site .crumbs ol,body.site .friend-list,body.site .hot-list,body.site .tag-list,body.site .toc ol{list-style:none;margin:0;padding:0}body.site .friend-list,body.site .hot-list,body.site .tag-list{display:grid;grid-gap:10px;gap:10px}body.site .friend-list a,body.site .hot-list a,body.site .tag-list a{display:block;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}body.site .section-title{margin-bottom:10px;font-size:15px;color:var(--accent-strong)}body.site .crumbs{margin:2px 0 14px}body.site .crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;color:var(--muted);font-size:12px}body.site .crumbs li+li:before{content:">";margin-right:6px;color:#9aa7bd}body.site .crumbs a{color:var(--accent)}body.site .article-shell,body.site .list-shell{display:grid;grid-gap:14px;gap:14px}body.site .article-head,body.site .list-head{padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}body.site .article-desc,body.site .cat-desc{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.75}body.site .toc{padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}body.site .toc ol{display:grid;grid-gap:8px;gap:8px}body.site .toc a{color:var(--accent);font-size:13px;line-height:1.5}body.site .copy{padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--text);overflow-wrap:anywhere}body.site .copy h2{margin-top:22px;margin-bottom:10px;padding-top:2px;font-size:15px;border-top:1px solid rgba(214,222,236,.7)}body.site .copy li,body.site .copy p{color:var(--muted);font-size:13px;line-height:1.9}body.site .copy a{color:var(--accent)}body.site .article-cover,body.site .list-cover{position:relative;aspect-ratio:16/10;border-radius:calc(var(--radius) - 2px);overflow:hidden}body.site .articles{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .list-card{overflow:hidden}body.site .article-card .body,body.site .list-card .body{padding:14px;display:grid;grid-gap:8px;gap:8px}body.site .pager{margin-top:16px;display:flex;justify-content:center}body.site .pager .pager-nav,body.site .pager nav{width:100%}body.site .pager ul{list-style:none;margin:0;padding:0;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}body.site .pager a,body.site .pager span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface)}body.site #friend-links{margin-top:16px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}body.site .footer-note{margin-top:14px;color:var(--muted);font-size:12px;line-height:1.7}@media (min-width:769px){body.site .page,body.site .topbar-inner{width:min(1160px,calc(100vw - 40px));margin:0 auto}body.site .topbar-inner{padding-left:0;padding-right:0}body.site .menu{display:none}body.site .nav-wrap{display:block;border-top:0}body.site .nav-list{width:min(1160px,calc(100vw - 40px));margin:0 auto;padding:0 0 14px;display:flex;gap:10px;flex-wrap:wrap}body.site .nav-list>li{position:relative}body.site .nav-list>li>a{background:transparent;border:1px solid var(--line)}body.site .nav-list .subnav{position:absolute;top:calc(100% + 8px);left:0;min-width:220px;padding:10px;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow);display:none;z-index:20}body.site .nav-list li:hover>.subnav{display:grid}body.site .hero{grid-template-columns:1.25fr .75fr;align-items:stretch}body.site .grid{grid-template-columns:1.15fr .85fr;align-items:start}body.site .articles,body.site .blocks-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-shell,body.site .list-shell{grid-template-columns:minmax(0,1fr) 320px;align-items:start}body.site .toc{position:-webkit-sticky;position:sticky;top:110px}}